[英]Symfony2 - show one property in form, mapping by another property
So I'm working on application to handle library maintenance. 因此,我正在研究处理库维护的应用程序。 In my database I have three tables: Book, Category and BookCategory. 在我的数据库中,我有三个表:Book,Category和BookCategory。 In Book table I have two fields: BookID and BookTitle , in Category I have CategoryID and CategoryName and in BookCategory I have BookID (foreign key of Book(BookID)) and CategoryID (foreign key of Category(CategoryID). I autogenerated controllers and form by using php app/console generate:doctrine:crud --entity=AppBundle:EntityName
在书籍表我有两个字段: 的BookID和BOOKTITLE,在I 类具有类别ID和类别名称和BookCategory我的BookID和类别ID(类别(类别ID)的外键(图书(的BookID)的外键),我自动生成控制器和形式通过使用php app/console generate:doctrine:crud --entity=AppBundle:EntityName
The point is, when I try to add new book to database, I can enter title of book and it's category by category ID (picture related), but I want to add new book using category name, not category ID, though it still should be mapped by category ID to BookCategory table. 关键是,当我尝试将新书添加到数据库时,我可以按类别ID(与图片相关)输入书籍的标题及其类别,但是我想使用类别名称(而不是类别ID)添加新书,尽管它仍然应该通过类别ID映射到BookCategory表。 How to do it? 怎么做? How it looks like and how I want it to look like 它看起来如何,我希望它看起来如何
Book.php Book.php
<?php
namespace AppBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* Book
*
* @ORM\Table(name="book")
* @ORM\Entity
*/
class Book
{
/**
* @var integer
*
* @ORM\Column(name="book_id", type="integer", nullable=false)
* @ORM\Id
* @ORM\GeneratedValue(strategy="IDENTITY")
*/
private $bookId;
/**
* @var string
*
* @ORM\Column(name="title", type="string", length=50, nullable=false)
*/
private $title;
/**
* @var \Doctrine\Common\Collections\Collection
*
* @ORM\ManyToMany(targetEntity="Category", inversedBy="bookId")
* @ORM\JoinTable(name="book_category",
* joinColumns={
* @ORM\JoinColumn(name="book_id", referencedColumnName="book_id")
* },
* inverseJoinColumns={
* @ORM\JoinColumn(name="category_id", referencedColumnName="category_id")
* }
* )
*/
private $categoryId;
/**
* Constructor
*/
public function __construct()
{
$this->categoryId = new \Doctrine\Common\Collections\ArrayCollection();
}
/**
* Get bookId
*
* @return integer
*/
public function getBookId()
{
return $this->bookId;
}
/**
* Set title
*
* @param string $title
* @return Book
*/
public function setTitle($title)
{
$this->title = $title;
return $this;
}
/**
* Get title
*
* @return string
*/
public function getTitle()
{
return $this->title;
}
/**
* Add categoryId
*
* @param \AppBundle\Entity\Category $categoryId
* @return Book
*/
public function addCategoryId(\AppBundle\Entity\Category $categoryId)
{
$this->categoryId[] = $categoryId;
return $this;
}
/**
* Remove categoryId
*
* @param \AppBundle\Entity\Category $categoryId
*/
public function removeCategoryId(\AppBundle\Entity\Category $categoryId)
{
$this->categoryId->removeElement($categoryId);
}
/**
* Get categoryId
*
* @return \Doctrine\Common\Collections\Collection
*/
public function getCategoryId()
{
return $this->categoryId;
}
public function __toString()
{
return (string)$this->bookId;
}
}
Category.php Category.php
<?php
namespace AppBundle\Entity;
use Doctrine\ORM\Mapping as ORM;
/**
* Category
*
* @ORM\Table(name="category")
* @ORM\Entity
*/
class Category
{
/**
* @var integer
*
* @ORM\Column(name="category_id", type="integer", nullable=false)
* @ORM\Id
* @ORM\GeneratedValue(strategy="IDENTITY")
*/
private $categoryId;
/**
* @var string
*
* @ORM\Column(name="category_name", type="string", length=50, nullable=false)
*/
private $categoryName;
/**
* @var \Doctrine\Common\Collections\Collection
*
* @ORM\ManyToMany(targetEntity="Book", mappedBy="categoryId")
*/
private $bookId;
/**
* Constructor
*/
public function __construct()
{
$this->bookId = new \Doctrine\Common\Collections\ArrayCollection();
}
/**
* Get categoryId
*
* @return integer
*/
public function getCategoryId()
{
return $this->categoryId;
}
/**
* Set categoryName
*
* @param string $categoryName
* @return Category
*/
public function setCategoryName($categoryName)
{
$this->categoryName = $categoryName;
return $this;
}
/**
* Get categoryName
*
* @return string
*/
public function getCategoryName()
{
return $this->categoryName;
}
/**
* Add bookId
*
* @param \AppBundle\Entity\Book $bookId
* @return Category
*/
public function addBookId(\AppBundle\Entity\Book $bookId)
{
$this->bookId[] = $bookId;
return $this;
}
/**
* Remove bookId
*
* @param \AppBundle\Entity\Book $bookId
*/
public function removeBookId(\AppBundle\Entity\Book $bookId)
{
$this->bookId->removeElement($bookId);
}
/**
* Get bookId
*
* @return \Doctrine\Common\Collections\Collection
*/
public function getBookId()
{
return $this->bookId;
}
public function __toString()
{
return (string)$this->categoryId;
}
}
BookType.php BookType.php
<?php
namespace AppBundle\Form;
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;
class BookType extends AbstractType
{
/**
* @param FormBuilderInterface $builder
* @param array $options
*/
public function buildForm(FormBuilderInterface $builder, array $options)
{
$builder
->add('title')
->add('categoryId')
;
}
/**
* @param OptionsResolver $resolver
*/
public function configureOptions(OptionsResolver $resolver)
{
$resolver->setDefaults(array(
'data_class' => 'AppBundle\Entity\Book'
));
}
}
This should do it: 应该这样做:
$builder->add('categoryId', EntityType::class, array(
'class' => 'AppBundle:Category',
'choice_label' => 'categoryName',
'expanded' => true,
));
Add category
to the form as entity: 将category
作为实体添加到表单:
$builder
->add('title')
->add('category', 'entity', [
'class' => Category::class,
'choice_label' => 'categoryName'
])
;
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